dwinsemius at comcast.net
Sat May 30 21:29:47 CEST 2009
On May 30, 2009, at 1:22 PM, malcolm Crouch wrote:
> Hi ,
> I am struggling with two problems :
> 1. simple.lm - where do i find the package that installs that ... i
> have a
> looked on the help files and it says simple .... but when i go to cran
> through load.packages() it does not come up ?
Under the heading of "Teach a man to fish, and he will not go hungry..."
Learn to use:
> 2. whenever I use qq.plot through library(car) it mentions i need a
> graphics device ? perhaps you could me there as i loaded a graphics
> and got an error ., I loaded cairo and cairo device and bot would not
> install ? im not to sure why ?
Graphics devices are among the most OS-specific components of R. You
have not followed the Posting Guide's advice to include such
information. On my machine a graphics device gets loaded by default
when I issue a plot command, but it's possible that may not be true on
perhaps you need to issue dev.new() .... just a guess.
> plot(1,1) # draws the plot
x<-rchisq(100, df=2); qq.plot(x) # draws the plot
David Winsemius, MD
West Hartford, CT
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